Properties of the Number 52400

Fifty-Two Thousand Four Hundred

Basics

Value: 52399 → 52400 → 52401

Parity: even

Prime: No

Previous Prime: 52391

Next Prime: 52433

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 5 ² × 131

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100110010110000

Octal: 146260

Duodecimal: 263A8

Hexadecimal: ccb0

Square: 2745760000

Square Root: 228.91046284519194

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of aperiodic arrays of positive integers summing to n. A323867

Triangle T(n,k) = 1 + A176304(k) + A176304(n-k) - A176304(n), read by rows. A176307

Expansion of ∏_k>=0 ((1+x^2·k+1)/(1-x^2·k+1))³. A261647

Expansion of ∑_k>0 x^4·k/(1-x^k)⁵. A363608

Number of length 2+2 0..n arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero. A250321

Expansion of ∑_k>0 x^4·k/(1+x^k)⁵. A363618

a(n) = (1/2) * ∑_{k=0..floor(n/2)} 2^n-2·k * binomial(2·k+2,2·n-4·k+1). A387554

Number of fully amphichiral and invertible prime knots with n crossings. A52400

Number of (n+1) X 3 binary arrays with every 2 X 2 subblock sum equal to some horizontal or vertical neighbor 2 X 2 subblock sum. A185490